diff --git a/lib/travis/api/app/endpoint/authorization.rb b/lib/travis/api/app/endpoint/authorization.rb
index 29dec476..33794be5 100644
--- a/lib/travis/api/app/endpoint/authorization.rb
+++ b/lib/travis/api/app/endpoint/authorization.rb
@@ -253,7 +253,7 @@ class Travis::Api::App
         end
 
         def target_ok?(target_origin)
-          uri = Addressable::URI.parse(target_origin)
+          return unless uri = Addressable::URI.parse(target_origin)
           if uri.host =~ /\A(.+\.)?travis-ci\.(com|org)\Z/
             uri.scheme == 'https'
           elsif uri == 'localhost' or uri == '127.0.0.1'